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FOUNDATION PROTECTION

FOUNDATION PROTECTION

FOUNDATION PROTECTION

(OP)
There is an existing fence wall with a shallow foundation 300mm. A  drain is to be constucted along the fence line with inverts much lower that the foundation base of the wall. Excavation is to commence; how can this be achived without compromising the wall foundation?

Thank you

RE: FOUNDATION PROTECTION

Can the drain line be moved the soil influence distance away from the foundation?

RE: FOUNDATION PROTECTION

I think it depends on how long the wall is.  You can do it in sequence.  Maybe use a trencher? May dig 1/6 of the length, put the drain and the slurry (gravel), back fill most of it, and dig some more.  Use your engineering judgement on how much you can dig at a time without affacting the wall.  When you dig one side of the wall, think of it as the wall will act like a retaining wall.  I think a trencher/small bucket hoe and a jumping jack will do the job.  What do you think?

RE: FOUNDATION PROTECTION

bkhenry2,

Get your geotechnical consultant on the phone, pronto!

Jeff

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